Answers

Subtract 27/15 from 42/75

1^st number: 42/75, 2^nd number: 1 12/15

42/75 - 27/15 is -31/25.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 15 is 75
   
   Next, find the equivalent fraction of both fractional numbers with denominator 75
2. For the 1st fraction, since 75 × 1 = 75,
   42/75 = 42 × 1/75 × 1 = 42/75
3. Likewise, for the 2nd fraction, since 15 × 5 = 75,
   27/15 = 27 × 5/15 × 5 = 135/75
4. Subtract the two like fractions:
   42/75 - 135/75 = 42 - 135/75 = -93/75
5. After reducing the fraction, the answer is -31/25

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